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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sensor Transistor and Biasing Trimmer (Beogram 4002, 4004 and 4000)Beolover Sensor Arm LED Light Source for Beogram 4002 4 and 4000: Replaces the sensor transistor and biasing resistor in any Beogram 4000, 4002 and 4004. Many original transistors lost some of their gain, which may disable the record detection function. As a consequence the arm may drop on an empty platter. Ouch!!! Replacement ensures that the record detectionj functionality works properly. Replacing the original fixed value biasing resistor with a
Beolover Sensor Arm LED Light Source for Beogram 4002/4 and 4000:
- Replaces the sensor transistor and biasing resistor in any Beogram 4000, 4002 and 4004.
- Many original transistors lost some of their gain, which may disable the record detection function. As a consequence the arm may drop on an empty platter. Ouch!!! Replacement ensures that the record detectionj functionality works properly.
- Replacing the original fixed value biasing resistor with a 5MOhm trimmer allows adjusting the bias to meet the gain spec given in the manual (4V at collector)
- Direct drop in replacement. Replaces 1TR3/R26 in DC motor Beogram 4002 (Type 551x/552x), 1TR9/1R33 in AC motor Beograms (Type 550x) and 1TR14/1R33 in Beogram 4000 models.
- Comes with alignment fixture to position LED board in correct location.
- See this Beolover blog post for an introduction to the restoration of the sensor arm and record detection circuit.
- Installation requires soldering/desoldering capability, and potentially requires an oscilloscope for trouble shooting. Some experience with electronics is helpful.
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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